1. Division of Medical-Dental Regenerative Medicine, Center for Advanced Oral Science, Graduate of Dentistry, Aichi Gakuin University, Nagoya, Japan.
2. Menicon Co., Ltd., Nagoya, Japan.
3. Department of Internal Medicine, School of Dentistry, Aichi Gakuin University, Nagoya, Japan.
4. Department of Removable Prosthodontics, School of Dentistry, Aichi Gakuin University, Nagoya, Japan.
5. Department of Dental Materials Science, School of Dentistry, Aichi Gakuin University, Nagoya, Japan.